/ Dictionary / Index P posset: Meaning and Definition of Find definitions for: pos•set Pronunciation: (pos'it), [key] — n. a drink made of hot milk curdled with ale, wine, or the like, often sweetened and spiced. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: posset (Thesaurus) possessory possibility Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language